Activity: Gather data from your family and friends, such as age, shoe size, or height in inches. What is the mean? What is the median? If the mean and median are different, why do you think that is?

Activity: Gather data from your family and friends, such as age, shoe size, or height in inches. What is the mean? What is the median? If the mean and median are different, why do you think that is?

Activity: Find a percent-off sale in a newspaper ad, a local store, or online. Figure out the sales price for some items you're interested in. How much do you save? Is it more or less than you expected?

Activity: Find a percent-off sale in a newspaper ad, a local store, or online. Figure out the sales price for some items you're interested in. How much do you save? Is it more or less than you expected?